MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the time period of visible light for which human eye is most sensitive? |
| A. | 1.85 10<sup>15</sup> s |
| B. | 1.85 10<sup>-15</sup> s |
| C. | 3 10<sup>8</sup>s |
| D. | 5 10<sup>16</sup> s |
| Answer» C. 3 10<sup>8</sup>s | |